WO2001038069A1 - Machine de moulage par injection comprenant un moteur lineaire - Google Patents

Machine de moulage par injection comprenant un moteur lineaire Download PDF

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Publication number
WO2001038069A1
WO2001038069A1 PCT/DE2000/002990 DE0002990W WO0138069A1 WO 2001038069 A1 WO2001038069 A1 WO 2001038069A1 DE 0002990 W DE0002990 W DE 0002990W WO 0138069 A1 WO0138069 A1 WO 0138069A1
Authority
WO
WIPO (PCT)
Prior art keywords
locking device
linear motor
lever
locking
transmission element
Prior art date
Application number
PCT/DE2000/002990
Other languages
German (de)
English (en)
Inventor
Gunther Fischbach
Original Assignee
Mannesmann Plastics Machinery Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mannesmann Plastics Machinery Ag filed Critical Mannesmann Plastics Machinery Ag
Priority to US10/089,945 priority Critical patent/US6821105B1/en
Priority to CA002388849A priority patent/CA2388849A1/fr
Priority to EP00965808A priority patent/EP1232052A1/fr
Priority to AU76435/00A priority patent/AU7643500A/en
Publication of WO2001038069A1 publication Critical patent/WO2001038069A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/64—Mould opening, closing or clamping devices
    • B29C45/66—Mould opening, closing or clamping devices mechanical
    • B29C45/661—Mould opening, closing or clamping devices mechanical using a toggle mechanism for mould clamping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/1761—Means for guiding movable mould supports or injection units on the machine base or frame; Machine bases or frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C2045/1784—Component parts, details or accessories not otherwise provided for; Auxiliary operations not otherwise provided for
    • B29C2045/1792—Machine parts driven by an electric motor, e.g. electric servomotor
    • B29C2045/1793—Machine parts driven by an electric motor, e.g. electric servomotor by an electric linear motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C2045/7271—Cooling of drive motors

Definitions

  • the invention relates to a locking device in the form of a die casting machine for
  • Plastics with a fixed platen that can be operated by a linear motor
  • a closing unit is known from DE 37 15 161 A1, in which the end plate forms a linear motor together with the pressure ram, with the
  • Three-phase windings are arranged and the pressure stamp is designed as a runner rail
  • the closing force is still to be actively applied during the injection, holding pressure and cooling phase, which leads to permanent, considerable energy consumption.
  • an injection molding machine is known from EP 0 280 743 B1, in which a linear movement element, here a metering / injection screw, is used as the electrical one
  • Linear motor is formed.
  • the linear motor has a cylindrical shape which corresponds to a movable element having a circular cross section.
  • Solenoid motors only achieve a fraction of the forces that can be achieved by linear motors in single or multiple comb designs.
  • Solenoid motors require a higher manufacturing effort than single or multiple comb motors.
  • a plastic injection molding machine in which at least some of the working elements are driven by electrically superconducting magnet arrangements, the conductors of which are cooled below the transition temperature by a cooling medium.
  • One of these working elements is a toggle for closing the mold, in which electro-superconducting linear electric motors are provided for linear movement.
  • This device has the disadvantage that the transition temperature required to achieve superconductivity must be achieved by a conductor winding which consists of a special alloy and which is to be cooled on the other hand.
  • a conductor winding which consists of a special alloy and which is to be cooled on the other hand.
  • Such an alloy consists in particular of the expensive metal lanthanum or Ytt ⁇ em, barium, copper and oxygen
  • the crack temperature is reached in particular by liquid nitrogen and is therefore technically sophisticated
  • the aim of the invention is to provide a locking device of the generic type which enables simple, constructive means to move and hold the movable platen with little energy and without contamination
  • At least one linear motor is connected to a force transmission element that is connected to a lever mechanism.
  • This force transmission element can be designed as a crosshead or as an actuating frame.
  • Double toggle levers are used here, with preference given to four-point and five-point toggle levers
  • the geometry of the individual levers and the control program is selected so that in the closed position of the movable platen, this is held without energy being consumed during the closing phase
  • the linear motors are between the force transmission element and either the end plate or the movable one
  • the stationary part is attached to the end plate and the mobile part to the power transmission element. In this way a drag chain is avoided.
  • a column of the chess unit is used as the reaction rail of the nuclear arm motor
  • a locking element which holds or engages at least one lever in a positive or non-positive manner in the closing phase.
  • the locking elements are designed such that a drive is only required for locking or unlocking
  • linear motors arranged in pairs are used. This design essentially compensates for the splitting forces
  • the principle of the uninhibited has no limitation of the speed of movement or the force, as it is associated with a gearbox or spm release
  • Figure 3 Locking device designed as a brake.
  • Figures 1 and 2 show an injection molding machine with a fixed platen 11 and a movable platen 12 and an end plate 13. On the fixed platen, a clamping cylinder 15 is arranged. The tool 16 is fastened to the tool clamping plates 11, 12.
  • FIG. 1 shows a die casting machine with a force transmission element, which is designed as an actuating frame 21.
  • the movable tool plate 12 is located in the upper half of the figure
  • a five-point toggle lever 31-33 is arranged between the movable tool mounting plate 12 and the actuating frame 21.
  • the inductor combs 41 and 43 of two linear motors are provided in pairs as double-chamber motors.
  • the reaction rails 42 and 44 are connected to the end plate 13.
  • the actuating frame 21 is connected to the end plate via a drag chain 45.
  • a four-point toggle lever 31-33 is provided between the platen 12 and the end plate 13.
  • an inductor comb 41 is arranged, which as a
  • reaction rail 42 configured spar 14.
  • the spar 14 is guided through a second inductor comb 43 which is arranged in the movable tool mounting plate 12.
  • the force transmission element is designed as a cross head 22
  • Inductor comb 42 arranged, which is connected to the crosshead 22 via a reaction rail 44
  • a five-point toggle lever is connected to the crosshead 22 between the movable platen 12, which is in the open position
  • FIG. 3 shows in section a lever 33 which can be held by a non-positive component 51.
  • component 51 is designed as a pair of pliers which can be held in its closed position by means of a spring 54 a linear motor 53 is provided on the lever 33 at the opposite end of the pliers
  • the non-positive component is designed as a disc brake, which holds the lever 33 via springs 54 and is evident via a linear actuator 53
  • FIG. 4 shows a form-fitting component, here in the form of a wedge 55, which can be moved against the lever 33 by a linear motor 53
  • FIG. 5 shows a free-space machine with the fixed tool mounting plate 11, which is connected to the movable tool mounting plate 12 via a lever 33 and a lever 31 connected to it in an articulated manner.
  • the toggle lever consisting of the levers 31 and 32 is connected to the linear motor constructed from the reaction rail 42 and the inductor comb 41.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

La présente invention concerne un dispositif de serrage, se présentant sous la forme d'une machine de moulage par injection pour matières plastiques. Ladite machine comprend une plaque de serrage d'outil fixe et une plaque de serrage d'outil qui peut être déplacée au moyen d'un moteur linéaire. Au moins un moteur linéaire (41, 42) est connecté à un élément de transmission de force (21, 22), qui est relié à un mécanisme de levier (31-33).
PCT/DE2000/002990 1999-11-23 2000-08-28 Machine de moulage par injection comprenant un moteur lineaire WO2001038069A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US10/089,945 US6821105B1 (en) 1999-11-23 2000-08-28 Injection molding machine with a linear motor
CA002388849A CA2388849A1 (fr) 1999-11-23 2000-08-28 Machine de moulage par injection comprenant un moteur lineaire
EP00965808A EP1232052A1 (fr) 1999-11-23 2000-08-28 Machine de moulage par injection comprenant un moteur lineaire
AU76435/00A AU7643500A (en) 1999-11-23 2000-08-28 Injection moulding machine comprising a linear motor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19957485.5 1999-11-23
DE19957485A DE19957485A1 (de) 1999-11-23 1999-11-23 Spritzgiessmaschine mit Linearmotor

Publications (1)

Publication Number Publication Date
WO2001038069A1 true WO2001038069A1 (fr) 2001-05-31

Family

ID=7930780

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2000/002990 WO2001038069A1 (fr) 1999-11-23 2000-08-28 Machine de moulage par injection comprenant un moteur lineaire

Country Status (6)

Country Link
US (1) US6821105B1 (fr)
EP (1) EP1232052A1 (fr)
AU (1) AU7643500A (fr)
CA (1) CA2388849A1 (fr)
DE (1) DE19957485A1 (fr)
WO (1) WO2001038069A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006035745A1 (fr) 2004-09-27 2006-04-06 Sumitomo Heavy Industries, Ltd. Dispositif de serrage de moule
WO2012052138A1 (fr) * 2010-10-18 2012-04-26 Arburg Gmbh + Co. Kg Machine de moulage par injection comportant au moins deux mécanismes de genouillères
FR3115486A1 (fr) * 2020-10-28 2022-04-29 Faurecia Interieur Industrie Moule comprenant un mécanisme d’aide au verrouillage et machine associée

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3715246B2 (ja) 2001-07-13 2005-11-09 住友重機械工業株式会社 射出成形機の可動金型支持装置
US7442022B2 (en) * 2003-03-04 2008-10-28 Sumitomo Heavy Industries, Ltd. Drive apparatus for injection molding machine, injection apparatus, and mold clamping apparatus
DE102005006596B4 (de) * 2005-02-11 2008-06-26 Karl Hehl Spritzgießmaschine zur Verarbeitung von Kunststoffen
US20070296121A1 (en) * 2006-06-07 2007-12-27 Husky Injection Molding Systems Ltd. Molding-system drive
US20070296281A1 (en) * 2006-06-07 2007-12-27 Husky Injection Molding Systems Ltd. Electrical motor
TW201228799A (en) * 2011-01-07 2012-07-16 Acumen Co Ltd Electrical injection molding machine
DE102013214244B3 (de) 2013-07-22 2015-01-15 Sumitomo (Shi) Demag Plastics Machinery Gmbh Spritzgießmaschine mit einer Schließeinheit
DE102014225165A1 (de) 2014-12-08 2016-06-09 Sumitomo (Shi) Demag Plastics Machinery Gmbh Spritzgießmaschine mit einer Schließeinheit
JP6756795B2 (ja) * 2018-10-03 2020-09-16 ファナック株式会社 射出成形機の型締装置
CN114379030B (zh) * 2021-12-30 2023-06-23 广东汇锋模具有限公司 一种可自动拆合模的吹气鞋模、自动注塑设备及注塑方法

Citations (6)

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Publication number Priority date Publication date Assignee Title
JPS60122130A (ja) * 1983-12-05 1985-06-29 Fanuc Ltd 射出成形機におけるタイバ−クランプ式型締機構
JPS61154823A (ja) * 1984-12-28 1986-07-14 Sumitomo Heavy Ind Ltd 射出成形機の型締力制御方法
JPS631516A (ja) * 1986-06-20 1988-01-06 Niigata Eng Co Ltd 射出成形機
DE29502641U1 (de) * 1994-02-24 1995-03-30 Engel Gmbh Maschbau Vorrichtung zum Schließen von Formen einer Spritzgießmaschine
EP0835733A1 (fr) * 1996-10-09 1998-04-15 MANNESMANN Aktiengesellschaft Presse d'injection avec un dispositif de fermeture
DE19644468A1 (de) * 1996-10-25 1998-04-30 Kabelschlepp Gmbh Energieführungskette und Kettenglied mit einem starren Steg

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US4088432A (en) * 1977-03-01 1978-05-09 Package Machinery Company Mold lockup mechanism
CH672610A5 (fr) * 1987-06-17 1989-12-15 Netstal Ag Maschf Giesserei
JP2709755B2 (ja) * 1991-06-28 1998-02-04 ファナック株式会社 電動式射出成形機における位置決め補正方法及び補正装置
ITBS940040A1 (it) * 1994-04-26 1995-10-26 Maicopresse Spa Pressa perfezionata per lo stampaggio a iniezione di materie plastiche con gruppo di chiusura a doppia ginocchiera
JP3593672B2 (ja) * 1998-05-01 2004-11-24 日創電機株式会社 成形機
US6419861B1 (en) * 1999-11-10 2002-07-16 Uniloy Milacron Usa Inc. Method and apparatus for setting die height

Patent Citations (6)

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Publication number Priority date Publication date Assignee Title
JPS60122130A (ja) * 1983-12-05 1985-06-29 Fanuc Ltd 射出成形機におけるタイバ−クランプ式型締機構
JPS61154823A (ja) * 1984-12-28 1986-07-14 Sumitomo Heavy Ind Ltd 射出成形機の型締力制御方法
JPS631516A (ja) * 1986-06-20 1988-01-06 Niigata Eng Co Ltd 射出成形機
DE29502641U1 (de) * 1994-02-24 1995-03-30 Engel Gmbh Maschbau Vorrichtung zum Schließen von Formen einer Spritzgießmaschine
EP0835733A1 (fr) * 1996-10-09 1998-04-15 MANNESMANN Aktiengesellschaft Presse d'injection avec un dispositif de fermeture
DE19644468A1 (de) * 1996-10-25 1998-04-30 Kabelschlepp Gmbh Energieführungskette und Kettenglied mit einem starren Steg

Non-Patent Citations (4)

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DATABASE WPI Week 198807, Derwent World Patents Index; AN 1988-045237, XP002157420 *
PATENT ABSTRACTS OF JAPAN vol. 009, no. 279 (M - 427) 7 November 1985 (1985-11-07) *
PATENT ABSTRACTS OF JAPAN vol. 010, no. 357 (M - 540) 2 December 1986 (1986-12-02) *
PATENT ABSTRACTS OF JAPAN vol. 012, no. 195 (M - 705) 7 June 1988 (1988-06-07) *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006035745A1 (fr) 2004-09-27 2006-04-06 Sumitomo Heavy Industries, Ltd. Dispositif de serrage de moule
EP1795325A1 (fr) * 2004-09-27 2007-06-13 Sumitomo Heavy Industries, Ltd. Dispositif de serrage de moule
EP1795325A4 (fr) * 2004-09-27 2010-05-05 Sumitomo Heavy Industries Dispositif de serrage de moule
WO2012052138A1 (fr) * 2010-10-18 2012-04-26 Arburg Gmbh + Co. Kg Machine de moulage par injection comportant au moins deux mécanismes de genouillères
US8821152B2 (en) 2010-10-18 2014-09-02 Arburg Gmbh + Co. Kg Injection-molding machine having at least two toggle lever mechanisms
FR3115486A1 (fr) * 2020-10-28 2022-04-29 Faurecia Interieur Industrie Moule comprenant un mécanisme d’aide au verrouillage et machine associée

Also Published As

Publication number Publication date
US6821105B1 (en) 2004-11-23
AU7643500A (en) 2001-06-04
EP1232052A1 (fr) 2002-08-21
DE19957485A1 (de) 2001-05-31
CA2388849A1 (fr) 2001-05-31

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